| 摘要 |
A rotational element for a wheel comprising brake rotor for a motor vehicle anti-lock brake system. The rotor is selectively coated with highly corrosion and wear resistant coating material such as chrome-nickel-iron alloys or ceramic oxides. The coating only need be applied in the anti-lock brake system exciter ring area of the rotor. A thermal spray such as flame spray, plasma-arc spray that forms a strong bond with the exciter ring base material, will apply the coating to the substrate material of the ring.
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